查询词典 D

The instruments used ATmega16L onboard A / D converter channels to achieve the cold wind pressure, the hot blast pressure, the furnace top pressure and cold wind current capacity four way analog acquisition;used PWM waveform produced by ATmega16L internal timing / Counter to achieve the entire differential pressure ,the cold wind flow and the permeability index three-way analog output for recording instruments; realized the cold wind pressure, the hot blast pressure, the furnace top pressure, the cold wind current capacity and the entire differential pressure five group parameter tour demonstration and the fixed-point demonstration by key-elect key's coordination during demonstration blast furnace permeable index; produced acousto-optics alarm when the permeable index across the upper and lower limits;used RS-485 realizing the communication with the superior computer.

仪表利用ATmega16L自带的A/D转换通道实现对冷风压力、热风压力、炉顶压力及冷风流量四路模拟信号的采集；通过ATmega16L内部的定时/计数器产生的PWM波形来实现对全压差、冷风流量及透气性指数三路模拟量输出供记录仪表使用；通过键选键的配合在显示高炉透气性指数的同时实现冷风压力、热风压力、炉顶压力、冷风流量及全压差五路参数的巡回显示与定点显示；当高炉透气性指数越上、下限时，仪表产生声光报警信号；仪表采用RS-485与上位机实现通信。

The analytical solution of 1-D convectional-dispersion differential equation with the hydrodynamic dispersion coefficients so determined can very well simulate the salt and water movement processes in the soil columns.

采用如此计算得到的水动力弥散系数D值代入经典的一维对流-扩散方程能很好地预报饱和土壤的水盐运移。

Effects of explants,2,4-D,6-BA,NAA and AgNO3 on inducing buds were studied in pineapple(Ananas comosus cv.Hawaii) by using orthogonal design.

采用菠萝试管苗的叶片、叶鞘、茎段和茎薄片作外植体，以MS或1/2 MS为基本培养基，应用正交试验设计方法研究了不同浓度的2，4-D、6-BA、NAA和AgNO3对夏威夷菠萝不定芽的诱导效果，并在添加不同激素组合的培养基中进行芽的增殖和生根培养研究。

Portable anemoscope was used to get the spray velocity and d was verified with laser phase Doppler particle anemometer.

采用风速计测量了喷雾速度，以及相位多普勒粒子测速仪测量验证了d。

It must have been a great time then for the craft! Almost all of America's best guitar making talent were working within a few blocks of each other: Gene Clark, Velázquez, Rubio, D'Angelico, Gurian.

那时一定是作琴艺术的伟大时代，几乎所有美国最优秀的吉他制作天才都集中在那几条街上作琴，像：金·克拉克，维拉兹盖兹，卢比欧，达安洁利可( D'Angelico)，古瑞安。

Methods 48 patients were given valsartan 80 mg/d for 12 weeks, the heart function parameter, the amount of rennin, angiotonin and aldosterone were tested before and after therapy.

48例chf患者均口服缬沙坦，80 mg/d，疗程12周，比较治疗前后心功能指标变化，并检测治疗前后肾素、血管紧张素及醛固酮的含量。

Prit, an abbreviation of the Anglo-Norman legal phrase Culpable: prit d'averrer nostre bille.

prit ，这是英国法语的法律短语 Culpable ： prit d'averrer nostre bille 的缩略语。

A series of 3--1,2,3-triazolo[4,5-d]pyrimidin-7-ones were synthesized via the tandem Aza-Wittig reaction annulation.

用串联的氮杂Wittig关环反应合成了一系列3--1，2，3-三唑[4，5-d]嘧啶-7-酮。

In this thesis, a convenient and efficient synthesis of highly functionalizeddihydropyrido[2,3-d]pyrimidines via a double [5 + 1] annulation strategy startingfrom easily available α-alkenoyl-α-carbamoyl ketene--acetals 1 and cheapreagents (NH4OAc, DMF, and POCl3) has been developed.

本论文探索了一种简便有效的合成高度官能化的二氢吡啶并[2，3-d]嘧啶的方法，此方法由易得的α-乙酰基-α-氨基乙酰基二硫缩烯酮1和便宜的试剂(醋酸铵，二甲基甲酰胺和三氯氧磷)通过两步[5 + 1]加成而实现。

He spent a couple of nights at the Eden Roc on the Cap d'Antibes, but rapidly grew tired of the clientele.

他在昂蒂布角（Cap d'Antibes）的伊甸豪克饭店住了两个晚上，但是很快讨厌起那里的客人来。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。